/* TCE911 PSAP NENA Metrics Dashboard — original styles */
/* Seal palette (sampled from the official 2025 TCE911 seal)
   navy #0a0f2c · seal red #a3141a · gold #c9a24a · TN blue #1f3f7f · white */
:root {
  /* Full-bleed layout tokens */
  --gutter: clamp(16px, 2vw, 40px);
  --gap: clamp(0.75rem, 0.9vw, 1.5rem);
  --brand-navy: #0a0f2c;
  --brand-navy-2: #141c45;
  --brand-red: #a3141a;
  --brand-gold: #c9a24a;
  --brand-gold-light: #e2c06e;
  --brand-blue: #1f3f7f;

  --bg: #070b1f;
  --bg-elev: #0d1433;
  --bg-card: #111a3d;
  --bg-card-hover: #17224d;
  --border: #26315e;
  --border-soft: #1b2550;
  --text: #eef1f8;
  --text-muted: #b9c0d8;
  --text-dim: #949dbd;
  --accent: #d4ae57;            /* gold: highlights, active buttons */
  --accent-contrast: #0a0f2c;   /* text on gold */
  --accent-soft: rgba(201, 162, 74, 0.16);
  --link: #e2c06e;
  --good: #4ade80;
  --good-soft: rgba(74, 222, 128, 0.14);
  --warn: #ff7b80;              /* seal red, lifted for dark-mode contrast */
  --warn-soft: rgba(255, 123, 128, 0.14);
  --bad: #ff7b80;
  --bad-soft: rgba(255, 123, 128, 0.14);
  --nena: #e2c06e;
  --chart-bar: #4a74c9;
  --chart-line: #e0b85a;
  --heatmap-0: #1a2350;
  --heatmap-miss: #c8232b;
  --heatmap-low: #b8892f;
  --heatmap-ok: #1f6b3f;
  --heatmap-high: #2f9a57;
  --heatmap-perfect: #4ade80;
  --radius: 10px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: "SF Mono", "Cascadia Code", "Consolas", monospace;
}

[data-theme="light"] {
  --bg: #f3f4f8;
  --bg-elev: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f6f7fb;
  --border: #d5d9e6;
  --border-soft: #e7eaf2;
  --text: #0a0f2c;
  --text-muted: #38405f;
  --text-dim: #545d7e;
  --accent: #c9a24a;
  --accent-contrast: #0a0f2c;
  --accent-soft: rgba(201, 162, 74, 0.18);
  --link: #1f3f7f;
  --good: #166534;
  --good-soft: #e2f3e8;
  --warn: #a3141a;
  --warn-soft: #f9e3e4;
  --bad: #a3141a;
  --bad-soft: #f9e3e4;
  --nena: #e2c06e;
  --chart-bar: #1f3f7f;
  --chart-line: #9a7425;
  --shadow: 0 4px 20px rgba(10, 15, 44, 0.08);
  --heatmap-0: #e3e6ef;
  --heatmap-miss: #c0262d;
  --heatmap-low: #e2b84a;
  --heatmap-ok: #8fd4a6;
  --heatmap-high: #3fae6a;
  --heatmap-perfect: #17803f;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (min-width: 1800px) { html { font-size: 17px; } }
@media (min-width: 2300px) { html { font-size: 18.5px; } }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

a { color: var(--link); }
a:hover { text-decoration-thickness: 2px; }

.app-header {
  background: linear-gradient(135deg, #070b22 0%, var(--brand-navy) 45%, var(--brand-navy-2) 100%);
  color: #fff;
  border-bottom: 3px solid var(--brand-gold);
  padding: 0.9rem var(--gutter) 1rem;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow);
}

.header-inner {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand { display: flex; align-items: center; gap: 1rem; min-width: 0; }

.brand-seal {
  width: 72px;
  height: 72px;
  flex-shrink: 0;
  display: block;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.45));
}

.brand-text { min-width: 0; }

.brand h1 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
  color: #fff;
}

.subtitle {
  margin: 0.2rem 0 0;
  font-size: 0.88rem;
  font-weight: 600;
  color: #e2c06e;
}

.subtitle-tag {
  display: inline-block;
  margin-right: 0.35rem;
  padding: 0 0.4rem;
  border: 1px solid rgba(226, 192, 110, 0.6);
  border-radius: 4px;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  vertical-align: 1px;
}

.nena-note {
  margin: 0.3rem 0 0;
  font-size: 0.75rem;
  color: #c7cde0;
  font-weight: 500;
}

@media (max-width: 720px) {
  .app-header { position: static; padding: 0.75rem var(--gutter) 0.85rem; }
  .brand { gap: 0.7rem; align-items: flex-start; }
  .brand-seal { width: 52px; height: 52px; }
  .brand h1 { font-size: 1.02rem; }
  .subtitle { font-size: 0.8rem; }
  .nena-note { font-size: 0.7rem; }
  .header-inner { flex-wrap: nowrap; align-items: flex-start; gap: 0.6rem; }
  .header-actions { flex-shrink: 0; }
  .header-actions .btn { padding: 0.3rem 0.55rem; font-size: 0.72rem; }
}

.header-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  padding: 0.4rem 0.75rem;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.btn:hover { background: var(--bg-card-hover); border-color: var(--accent); }

.btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-contrast);
}

.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.btn-ghost {
  background: transparent;
  border-color: rgba(226, 192, 110, 0.55);
  color: #fff;
}

.btn-ghost:hover { background: rgba(226, 192, 110, 0.14); border-color: var(--brand-gold); }

.main {
  width: 100%;
  padding: var(--gap) var(--gutter) 3rem;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  align-items: center;
  margin-bottom: var(--gap);
  padding: 0.85rem 1rem;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.control-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
}

.control-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  font-weight: 700;
  margin-right: 0.25rem;
}

.period-btns, .year-btns, .grain-btns { display: flex; flex-wrap: wrap; gap: 0.35rem; }

/* Custom date range */
.custom-range[hidden] { display: none; }
.custom-range { gap: 0.5rem 0.6rem; }
.date-field {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
}
.date-field input[type="date"] {
  font: inherit;
  font-weight: 600;
  color: var(--text);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.32rem 0.5rem;
  min-height: 2rem;
  color-scheme: dark;
}
:root[data-theme="light"] .date-field input[type="date"] { color-scheme: light; }
.date-field input[type="date"]:hover { border-color: var(--accent); }
.date-field input[type="date"]:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.date-field input[aria-invalid="true"] { border-color: var(--warn); }
.btn-apply { border-color: var(--accent); }
.custom-msg { font-size: 0.78rem; font-weight: 600; color: var(--text-muted); }
.custom-msg.error { color: var(--warn); }
@media (max-width: 560px) {
  .custom-range { width: 100%; }
  .custom-range .control-label { width: 100%; }
  .date-field { flex: 1 1 9rem; }
  .date-field input[type="date"] { flex: 1; min-width: 0; }
}

.hero {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
  margin-bottom: var(--gap);
}

@media (max-width: 900px) {
  .hero { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-card.primary { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .hero { grid-template-columns: minmax(0, 1fr); }
}

.hero-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem;
  box-shadow: var(--shadow);
}

.hero-card.primary {
  background: linear-gradient(145deg, #141c45, #1f3f7f);
  border-color: #2c4a8a;
  border-top: 3px solid var(--brand-gold);
  color: #fff;
}

.hero-card.primary .hero-label { color: #e8cf8f; }
.hero-card.primary .hero-sub { color: #dbe2f2; }

[data-theme="light"] .hero-card.primary {
  background: linear-gradient(145deg, var(--brand-navy), var(--brand-blue));
  border-color: var(--brand-navy);
  border-top-color: var(--brand-gold);
}

.hero-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  font-weight: 700;
}

.hero-value {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0.25rem 0;
  font-variant-numeric: tabular-nums;
}

.hero-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.narrative {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 0.9rem 1.1rem;
  margin-bottom: var(--gap);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.narrative strong { color: var(--text); }

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: var(--gap);
  margin-bottom: var(--gap);
}

@media (max-width: 1100px) {
  .kpi-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 600px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .kpi-grid .kpi-card:last-child:nth-child(odd) { grid-column: 1 / -1; }
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
}

.kpi-card .label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  font-weight: 700;
}

.kpi-card .value {
  font-size: 1.35rem;
  font-weight: 750;
  margin-top: 0.2rem;
  font-variant-numeric: tabular-nums;
}

.kpi-card .hint {
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-top: 0.15rem;
}

.kpi-card.good .value { color: var(--good); }
.kpi-card.warn .value { color: var(--warn); }
.kpi-card.warn { border-color: var(--warn); box-shadow: inset 3px 0 0 var(--warn); }
.kpi-card.good { box-shadow: inset 3px 0 0 var(--good); }

.panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.15rem 1.15rem;
  margin-bottom: var(--gap);
  box-shadow: var(--shadow);
}

.panel-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
}

.panel-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
}

.panel-note {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.chart-wrap {
  position: relative;
  height: clamp(280px, 38vh, 520px);
  width: 100%;
  min-width: 0;
}

.chart-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--gap);
  margin-bottom: var(--gap);
}

@media (max-width: 900px) {
  .chart-row { grid-template-columns: 1fr; }
}

.chart-wrap.sm { height: clamp(240px, 30vh, 420px); }

.chart-row > .panel,
.viz-row > .panel { margin-bottom: 0; min-width: 0; }

/* Volume chart + heatmap: full width; both grow taller on wide screens. */
.viz-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
  margin-bottom: var(--gap);
}

@media (min-width: 1800px) {
  .panel-volume .chart-wrap { height: clamp(320px, 42vh, 600px); }
}

/* Heatmap */
.heatmap-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
}

.legend-swatch {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 3px;
  margin-right: 0.25rem;
  vertical-align: middle;
  border: 1px solid var(--border);
}

.heatmap-scroll {
  flex: 1 1 auto;
  min-width: 0;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

/* --hm-col / --hm-row / --hm-gap are computed in JS from the card width */
.heatmap {
  --hm-col: 16px;
  --hm-row: 16px;
  --hm-gap: 3px;
  display: grid;
  grid-auto-flow: column;
  grid-template-rows: repeat(7, var(--hm-row));
  grid-auto-columns: var(--hm-col);
  gap: var(--hm-gap);
  width: max-content;
}

.hm-cell {
  width: 100%;
  height: 100%;
  border-radius: clamp(2px, calc(var(--hm-row) / 6), 5px);
  background: var(--heatmap-0);
  cursor: default;
  position: relative;
}

.hm-cell.has-calls { cursor: pointer; }
.hm-cell:hover { outline: 1px solid var(--accent); outline-offset: 1px; }

.hm-cell.miss { background: var(--heatmap-miss); box-shadow: inset 0 0 0 1px rgba(255,255,255,0.55); }
.hm-cell.low { background: var(--heatmap-low); }
.hm-cell.ok { background: var(--heatmap-ok); }
.hm-cell.high { background: var(--heatmap-high); }
.hm-cell.perfect { background: var(--heatmap-perfect); }
.hm-cell.empty { background: transparent; border: 1px dashed var(--border-soft); }

.hm-tooltip {
  display: none;
  position: fixed;
  z-index: 100;
  background: var(--brand-navy);
  color: #eef1f8;
  border: 1px solid var(--brand-gold);
  border-radius: 6px;
  padding: 0.45rem 0.65rem;
  font-size: 0.75rem;
  pointer-events: none;
  max-width: 220px;
  box-shadow: var(--shadow);
}

.hm-tooltip.visible { display: block; }

.dow-labels {
  --hm-row: 16px;
  --hm-gap: 3px;
  display: grid;
  grid-template-rows: repeat(7, var(--hm-row));
  gap: var(--hm-gap);
  align-items: center;
  margin-right: 8px;
  font-size: clamp(10px, calc(var(--hm-row) * 0.42), 14px);
  line-height: 1;
  color: var(--text-dim);
  flex-shrink: 0;
}

.heatmap-layout {
  display: flex;
  align-items: flex-start;
}

/* Table */
.table-wrap {
  overflow-x: auto;
  max-height: clamp(420px, 55vh, 760px);
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
}

table.detail {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
}

table.detail thead {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--bg-elev);
}

table.detail th {
  text-align: left;
  padding: 0.55rem 0.7rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 700;
  white-space: nowrap;
}

table.detail td {
  padding: 0.45rem 0.7rem;
  border-bottom: 1px solid var(--border-soft);
}

table.detail td:first-child { white-space: nowrap; }

table.detail tbody tr:hover { background: var(--bg-card-hover); }

.badge {
  display: inline-block;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
}

.badge.yes { background: var(--good-soft); color: var(--good); }
.badge.no { background: var(--bad-soft); color: var(--bad); }
.badge.na { background: var(--accent-soft); color: var(--text-muted); }

.app-footer {
  width: 100%;
  padding: 0 var(--gutter) 2.5rem;
  font-size: 0.75rem;
  color: var(--text-dim);
  line-height: 1.6;
}

.app-footer h3 {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.app-footer ul { margin: 0.35rem 0; padding-left: 1.2rem; }

.app-footer > p,
.app-footer > ul { max-width: 150ch; }

.app-footer a { color: var(--link); }

.footer-contact {
  display: grid;
  grid-template-columns: auto minmax(220px, 1fr) minmax(260px, 1.4fr) minmax(0, 1.2fr);
  gap: 0.75rem 1.25rem;
  align-items: center;
  margin-top: 1.25rem;
  padding: 1rem 1.15rem;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-top: 3px solid var(--brand-gold);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 0.8rem;
}

.footer-contact h3 { margin: 0 0 0.25rem; color: var(--text); text-transform: none; letter-spacing: 0; font-size: 0.9rem; }
.footer-contact address { font-style: normal; line-height: 1.5; }
.footer-seal { width: 56px; height: 56px; display: block; }

.contact-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.2rem; }
.contact-list li { display: flex; flex-wrap: wrap; gap: 0.35rem 0.6rem; align-items: baseline; }
.contact-label {
  min-width: 14.5rem;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
}
.contact-list a { font-weight: 600; }
.contact-emergency { color: var(--bad); }

.footer-fine { margin-top: 0.9rem; }

@media (max-width: 760px) {
  .footer-contact { grid-template-columns: auto 1fr; }
  .contact-list { grid-column: 1 / -1; gap: 0.6rem; }
  .contact-list li { gap: 0.1rem; }
  .contact-label { min-width: 0; width: 100%; }
}

.loading {
  text-align: center;
  padding: 3rem;
  color: var(--text-muted);
}

.error-box {
  background: var(--bad-soft);
  border: 1px solid var(--bad);
  color: var(--bad);
  padding: 1rem;
  border-radius: var(--radius);
  margin: 1rem 0;
}

/* ---- Answer Time By User additions ---- */
.month-select { background: var(--bg-card); color: var(--text); border: 1px solid var(--border); border-radius: 6px;
  padding: 0.4rem 0.6rem; font: inherit; font-weight: 600; min-width: 11rem; }
.month-select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.kpi-grid.kpi-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
@media (max-width: 1100px) { .kpi-grid.kpi-6 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 600px) { .kpi-grid.kpi-6 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
table.detail th.sortable { cursor: pointer; user-select: none; white-space: nowrap; }
table.detail th.sortable:hover { color: var(--accent); }
table.detail th.sortable[aria-sort="ascending"]::after { content: " ▲"; color: var(--accent); }
table.detail th.sortable[aria-sort="descending"]::after { content: " ▼"; color: var(--accent); }
table.detail td.num, table.detail th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.detail tfoot td { font-weight: 700; border-top: 2px solid var(--brand-gold); background: var(--accent-soft); }
table.detail tr.unknown td { color: var(--text-dim); font-style: italic; }
.chart-wrap.agents { height: clamp(360px, 52vh, 640px); }
.caveat { border-left: 3px solid var(--brand-gold); padding: 0.55rem 0.8rem; background: var(--accent-soft);
  border-radius: 6px; font-size: 0.85rem; color: var(--text-muted); margin: 0 0 var(--gap); }
.hero-card.partial { border-color: var(--warn); box-shadow: inset 3px 0 0 var(--warn); }

.type-note { margin: 0 0 1rem; padding: 0.55rem 0.8rem; border-left: 3px solid var(--accent); background: var(--bg-card); color: var(--text-muted, var(--text)); font-size: 0.9rem; border-radius: 4px; }